( 3 x ) 3 + ( 4 x ) 2 3 (3 \cdot x)^3 + (4 \cdot x)^2 - 3

True or false:

( 3 x ) 3 + ( 4 x ) 2 3 (3x)^3 + (4x)^2 - 3 is always odd for all x > 1 x> 1

True False

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1 solution

Munem Shahriar
Nov 23, 2017

For x = 3 x = 3

( 3 × 3 ) 3 + ( 4 × 3 ) 2 3 = 870 Even (3 \times 3)^3 + (4 \times 3)^2 - 3 = 870 \longrightarrow \text{Even}

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